Firearm buffer



FIG. 1 is a front view of the firearm buffer showing my new design;

FIG. 2 is a top view thereof;

FIG. 3 is a side view thereof;

FIG. 4 is a front perspective view thereof;

FIG. 5 is a rear perspective view thereof;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is a bottom perspective view thereof.

The broken lines are shown to illustrate unclaimed portions of the invention and form no part of the claimed design. 

CLAIM I claim the ornamental design for a firearm buffer, as shown and described. 